# User Registration Failure

**URL:** <https://devforum.zoom.us/t/user-registration-failure/92299>\
**Category:** Users and Groups\
**Created:** [July 24, 2023, 12:49pm UTC](https://devforum.zoom.us/t/user-registration-failure/92299 "2023-07-24T12:49:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![sunstone.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/sunstone.zoom/32/37733_2.png) [@sunstone.zoom](https://devforum.zoom.us/u/sunstone.zoom)\
**Post date:** [July 24, 2023, 12:49pm UTC](https://devforum.zoom.us/t/user-registration-failure/92299/1 "2023-07-24T12:49:39Z")

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Hi Team

In some of the meetings, some of our users are not able to join meetings and get the following error  
“User does not exist”

Need urgent attention on this.

Regards  
Ashish Mishra

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**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\
**Post date:** [July 24, 2023, 6:42pm UTC](https://devforum.zoom.us/t/user-registration-failure/92299/2 "2023-07-24T18:42:08Z")

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Hi @sunstone.zoom ,

Are these users internal or external to your account?

If the users are internal, how were they created?

Were these users registered to attend the meeting and did you have confirmation of their registration?

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**Author:** ![sunstone.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/sunstone.zoom/32/37733_2.png) [@sunstone.zoom](https://devforum.zoom.us/u/sunstone.zoom)\
**Post date:** [July 31, 2023, 6:15am UTC](https://devforum.zoom.us/t/user-registration-failure/92299/4 "2023-07-31T06:15:20Z")

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Hi Gianni

These users were registered via the API and internal to our account.

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**Author:** ![gianni.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/gianni.zoom/32/32523_2.png) [@gianni.zoom](https://devforum.zoom.us/u/gianni.zoom)\
**Post date:** [August 2, 2023, 4:00pm UTC](https://devforum.zoom.us/t/user-registration-failure/92299/5 "2023-08-02T16:00:37Z")

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Hi @sunstone.zoom,

> [@gianni.zoom](#):
>
> If the users are internal, how were they created?

Additionally, do you have any authentication settings for your meetings? Ie. requiring users be logged in? I am wondering if how they were created may have something to do with this:

> [@What is the differences between custCreate and Create?](https://devforum.zoom.us/t/what-is-the-differences-between-custcreate-and-create/57148/2):
>
> Hi @shabanzo, The primary difference here is that custCreate users will not be able to login to the Zoom UI — they exist only as users that can be leveraged programmatically. They are still however associated with an account like an ordinary user. Let me know if this helps—thanks! Will